[jQuery] Please Help me regarding Webservice method call via saop client

[Hassan]

System.Web.Services.Protocols.SoapException: Server did not recognize
the value of HTTP Header SOAPAction: http://tempuri.org/GetSessionParts.
   at
System.Web.Services.Protocols.Soap11ServerProtocolHelper.RouteRequest
()
   at System.Web.Services.Protocols.SoapServerProtocol.RouteRequest
(SoapServerMessage message)
   at System.Web.Services.Protocols.SoapServerProtocol.Initialize()
   at System.Web.Services.Protocols.ServerProtocolFactory.Create(Type
type, HttpContext context, HttpRequest request, HttpResponse response,
Boolean& abortProcessing)